For laser marking, engraving, or for drilling micro via holes Our engnieers are good at gold reflector coating,it has a high reflectivity and a long work life. CO2seriesYAG series532 serieswavelengh10.6um 1.06um 0.532um coating gold mediummetal reflectivity 98.8% 99% 98.5%Endure consecutivelaser power500 w/cm2500 w/cm2500 w/cm2modelλ/4λ/4λ/4Facula diameter8,10,12,16,20,25,308,10,12,16,20 10,12 ...